GigEVision Ports

GigE Vision consists of a control and a streaming part. Only the control connection is claiming a static port on the device end (UDP 3956), which is also registered with IANA. The control connection source port as well as the streaming connection port(s) are dynamically allocated from the ephemeral port range 49152 through 65536.

It may happen a firewall blocks UDP from the ephemeral port range 49152 through 65536. If so, the camera can be found and configured, but the live video stream is blocked.

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